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StarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD) | PCI Express Card with 4x USB-C Ports, 1x USB-A Internal Port
StarTech.com

StarTech.com StarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD)

Bottom line: The StarTech.com StarTech 5-Port USB 10Gbps PCIe Card ($72.99 on Amazon as of 2026-10-06): Four external USB-C 10Gbps ports plus one internal USB-A header from one x4 slot; main trade-off: no DP-Alt Mode, so it cannot drive a USB-C monitor.

$72.99

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Four external USB-C 10Gbps ports plus one internal USB-A header from one x4 slot
  • ✓ ASM3142 controller delivers full USB 3.2 Gen 2 10Gbps for external SSD work
  • ✓ Optional SATA power feeds 5V 3A (15W) per Type-C port when board power falls short
  • ✓ Drivers auto-install on Windows 8 and up, macOS, and Linux, no disc needed
  • ✓ Backed for 2 years with free lifetime 24/5 multi-lingual tech support

Cons

  • ✗ No DP-Alt Mode, so it cannot drive a USB-C monitor
  • ✗ No USB Power Delivery, capping fast-charging of phones and laptops
  • ✗ Only one internal header, and it is USB-A rather than a front-panel Type-C
  • ✗ Needs a free PCIe x4/x8/x16 slot, ruling out small boards with only x1 slots

Manufacturer description

Upgrade or expand a desktop or server's USB connectivity by adding four external USB Type-C 10Gbps ports and one internal USB Type-A 10Gbps port via a single PCI Express x4 connection. The ASM3142 controller supports USB 3.2 transfer speeds of up to 10Gbps, making it ideal for transferring large files or editing high-resolution photos and videos on external storage devices. This USB PCIe expansion card can receive supplemental power through SATA power, providing up to 5V 3A (15W) per USB Type-C port and 5V 1.5A (7.5W) on the USB Type-A port when motherboard power is insufficient. The PCI…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 5-Port USB 10Gbps PCIe Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • HIGH-PERFORMANCE USB CARD: Upgrade or expand a desktop/server's USB connectivity by adding four external USB Type-C 10Gbps ports and one internal USB Type-A 10Gbps port via a single PCI Express x4 connection
  • FAST DATA TRANSFER: ASM3142 controller supports USB 3.2 transfer speeds of up to 10Gbps; Ideal for transferring large files or editing high-resolution photos/videos on external storage devices
  • OPTIONAL POWER: USB PCIe expansion card with SATA power supplies additional power to the USB ports (when motherboard power is insufficient), providing up to 5V 3A (15W) per USB Type-C port and 5V 1.5A (7.5W) on the USB Type-A port
  • COMPATIBILITY: Drivers auto-install in most OS's including Windows 8 & up, macOS, and Linux; Works with all hardware platforms such as Intel, AMD, and Apple Silicon that have a PCI Express x4/x8/x16 slot; Does not support DP-Alt Mode/USB Power Delivery
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this 5-port USB-C PCIe Card is backed for 2-years, including free lifetime 24/5 multi-lingual technical assistance

Full Specifications

BrandStarTech.com
Style4C + Internal A
Style Name4C + Internal A
ConnectivityUSB-C
Model NumberPS4C3IA3-USB-C-CARD
CompatibilityMac, Linux
Mfr Part NumberPS4C3IA3-USB-C-CARD
Compatible DevicesPersonal Computer
Hardware InterfacePCI Express x4
Warranty Description2-Year
Item Dimensions L x W x H4.8"L x 4.8"W x 0.9"H
Global Trade Identification Number00065030909174
Full listing titleStarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD) | PCI Express Card with 4x USB-C Ports, 1x USB-A Internal Port

Ready to buy?

StarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD) | PCI Express Card with 4x USB-C Ports, 1x USB-A Internal Port is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $72.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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